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51468965 = 571144983
BaseRepresentation
bin1100010001010…
…1101010100101
310120211220010222
43010111222211
5101134001330
65035054125
71163323202
oct304255245
9116756128
1051468965
1127064439
12152a1345
13a880c12
146b9aca9
1547ba0e5
hex3115aa5

51468965 has 8 divisors (see below), whose sum is σ = 62633088. Its totient is φ = 40594960.

The previous prime is 51468947. The next prime is 51468971. The reversal of 51468965 is 56986415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51468965 - 220 = 50420389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72137 + ... + 72846.

It is an arithmetic number, because the mean of its divisors is an integer number (7829136).

Almost surely, 251468965 is an apocalyptic number.

It is an amenable number.

51468965 is a deficient number, since it is larger than the sum of its proper divisors (11164123).

51468965 is a wasteful number, since it uses less digits than its factorization.

51468965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145059.

The product of its digits is 259200, while the sum is 44.

The square root of 51468965 is about 7174.1874104319. The cubic root of 51468965 is about 371.9761927378.

The spelling of 51468965 in words is "fifty-one million, four hundred sixty-eight thousand, nine hundred sixty-five".

Divisors: 1 5 71 355 144983 724915 10293793 51468965